EP3302376B1 - Dilatateurs nasaux - Google Patents

Dilatateurs nasaux Download PDF

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Publication number
EP3302376B1
EP3302376B1 EP15893549.4A EP15893549A EP3302376B1 EP 3302376 B1 EP3302376 B1 EP 3302376B1 EP 15893549 A EP15893549 A EP 15893549A EP 3302376 B1 EP3302376 B1 EP 3302376B1
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EP
European Patent Office
Prior art keywords
loop structure
nasal
nasal dilator
dilator
platform
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15893549.4A
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German (de)
English (en)
Other versions
EP3302376A4 (fr
EP3302376A1 (fr
Inventor
Michael Ralph Burgess JOHNSON
Toby James Hartley
Ashley Mark TURNER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ASAP BreatheAssist Pty Ltd
Original Assignee
ASAP BreatheAssist Pty Ltd
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Publication of EP3302376A1 publication Critical patent/EP3302376A1/fr
Publication of EP3302376A4 publication Critical patent/EP3302376A4/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/08—Devices for correcting deformities of the nose ; Devices for enlarging the nostril, e.g. for breathing improvement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/56—Devices for preventing snoring
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/06—Nose filters

Definitions

  • Described embodiments generally relate to nasal dilators for facilitating respiration. Some embodiments relate to a nasal dilator having a dual dilation mechanism configured to perform dual or concurrent dilation of the nostril of the user. Some embodiments relate to a nasal dilator having a valve mechanism to allow control of inhalation and exhalation through the nose. Some embodiments relate to a nasal dilator having a filtration mechanism to filter airflow during respiration.
  • Nasal dilator devices are typically worn by users to dilate their nasal cavities when sleeping and/or partaking in sporting activities to thereby facilitate respiration.
  • US 2006/085027 A1 relates to a nasal insert including a wall in the shape of a tube, the wall including a first end defining a first orifice and a second end defining a second orifice.
  • the first end may have a diameter, diagonal measurement, or cross-sectional area larger than that of the second end.
  • the first end may define at least one break in the wall, so that the first end incompletely encircles the first orifice.
  • the second end may completely encircle the second orifice.
  • Layered nasal device may include a layered airflow resistor that is configured to resist airflow in a first direction more than airflow in a second direction and that includes a flap valve adjacent to a flap valve limiting layer and an adhesive holdfast layer that is configured to secure the layered airflow resistor in communication with the subject's nasal cavity.
  • Methods of using and methods of assembling layered nasal device are also described.
  • US 2009/145441 A1 relates to delayed resistance nasal devices including an airflow resistor that is configured to normally have a higher resistance to exhalation than inhalation, but the higher resistance to exhalation may be suspended, or delayed by activation of an airflow resistor bypass.
  • Activation of an airflow resistor bypass bypasses or decreases the effect of the airflow resistor on nasal airflow through the nasal device, decreasing the resistance to exhalation.
  • US 8 834 512 B1 relates to a nasal dilator comprising a pair of pads, supported by arms surrounding an air passage. Each arm has a bend portion and a pad that grips a wearer's septum. Leg portions extend down from the arms and are connected by a bight that surrounds the wearer's columella.
  • the dilator is installed by gripping an optional handle or the bight and inserting the pads and the arms into both nostrils. The dilator is urged upward and inward until the inner side of the bight touches the wearer's columella. To remove the dilator, the user grips the handle or bight and gently pulls downward until the dilator is removed.
  • optional cushions soften the contact points between the dilator and the user's nasal structures and can supply medications through the user's nasal membranes.
  • Described embodiments generally relate to nasal dilators for facilitating respiration. Some embodiments relate to a nasal dilator having a dual dilation mechanism configured to perform dual or concurrent dilation of the nostril of the user. Some embodiments relate to a nasal dilator having a valve mechanism to allow control of inhalation and exhalation through the nose. Some embodiments relate to a nasal dilator having a filtration mechanism to filter airflow during respiration.
  • the nasal dilator 100 comprises a body 102 for insertion into a nasal cavity of a nose of a user, as shown in Figures 3A to 3C .
  • the body 102 comprises a loop structure 104 having an inner surface 106 and a reverse outer surface 108.
  • the inner surface 106 may be a first major surface of the loop structure 104 and the outer surface 108 may be a second major surface of the loop structure 104, opposite to or reverse from the first major surface.
  • the loop structure 104 may further comprise a first side 110, or first minor surface, and a second side 112, or second minor surface, opposite to or reverse from the first side 110.
  • the inner surface 106 of the loop structure 104 defines an aperture 114.
  • the aperture may be substantially round, teardrop or oval in shape.
  • the outer surface 108 of the loop structure 104 is configured for urging against a nasal passage wall of a nose.
  • the outer surface 108 of the loop structure 104 may urge against the nasal passage wall 302 of the nose 304 to thereby dilate the nostrils of the nose 304.
  • the outer surface 108 of the loop structure 104 may be sized and configured to substantially form a seal with the nasal passage wall 302.
  • the nasal dilator 100 comprises an arm member 116 extending outwardly from the loop structure 104 and arranged to engage with a nostril of the nose of a user.
  • the arm member 116 may extend from the first side 110 of the loop structure 104.
  • the arm member 116 may be configured to extend along a nasal passage of the nasal cavity and engage with the internal surface of the nostril.
  • the arm member 116 may have a first end 116a coupled to, for example, attached to or integrally formed with, the first side 110 of the loop structure 104 and a free end 116b opposite to the first end 116b.
  • the loop structure 104 may extend in a first plane and the arm member 116 may extend in a second plane substantially orthogonal to the first plane.
  • the arm member 116 may be configured to exert an outward force on the internal surface of the nostril of the user to thereby stent and/or dilate the nostril.
  • the arm member 116 may protrude outwardly beyond a perimeter of the loop structure 104 and/or may be resiliently biased to an outward deflecting configuration.
  • the arm member 116 may be flexible and resiliently biased away from the loop structure 104 to allow the arm member 116 to be compressed for insertion into the nose of a user and to reform once placed inside the nose to thereby dilate the nostrils, as illustrated in Figures 3A to 3C .
  • the arm member 116 is configured to engage the internal surface of the nostril at a junction of the greater alar cartilage and lateral nasal cartilage (not shown), when the nasal dilator 100 appropriately placed in the nostril, to thereby stent or dilate the nasal passage.
  • the loop structure 104 and the arm member 116 of the nasal dilator 100 may cooperate as a dual dilation mechanism configured to perform dual or concurrent dilation of the nostril of the user.
  • a nasal dilator generally indicated at 200, according to some embodiments.
  • the nasal dilator 200 may comprise similar components and elements to those of nasal dilator 100 depicted in Figure 1 and accordingly those similar components and elements are denoted by like numerals.
  • the nasal dilator 200 comprises a body 202 for insertion into a nasal cavity of a nose of a user, as shown in Figures 3A to 3C .
  • the body 202 comprises a loop structure that is the same as or similar to the loop structure 104 and has an inner surface 106 and a reverse outer surface 108.
  • the nasal dilator 200 further comprises a leg member 218 extending outwardly from the loop structure 104.
  • the leg member 218 may extend from the second side 112 of the loop structure 104.
  • the leg member 218 may be configured to protrude from the nose of the user in use and may be employed to hold the nasal dilator 200 and to position and adjust the nasal dilator 200 in the nasal cavity of the nose of a user.
  • Figures 3A to 3C show views of a user 300 wearing or donning the nasal dilator 200 of Figures 2A to 2D .
  • the nasal dilator 200 is sized and configured to be orientated such that the outer surface 108 of the loop structure 104 engages with and urges against a nasal passage wall 302 of the nose 304, for example, toward a front portion of the nasal passage 306 and the arm member 116 extends along the nasal passage 306 and engages with an internal surface 308 of the nostril 310, for example, at or in proximity to the alar valve region 314.
  • the body 202 of the nasal dilator 200 may be configured to rest on a nasal passage floor 312 and the leg member 218 may emerge from the nostril 310 adjacent to a septum 314 of the nose 304, to allow positioning and/or adjustment of the nasal dilator 200 by the user.
  • the nasal dilator 200 may be securely retained within the nasal passage 306 with little or no pinching of or pressure being exerted on the septum 314.
  • the loop structure 104 may be configured in size and shape to accommodate various shapes and sizes of noses.
  • nasal dilators 400, 500 and 600 there are illustrated nasal dilators, generally indicated at 400, 500 and 600, respectively, according to some embodiments.
  • the nasal dilators 400, 500 and 600 may comprise similar components and elements to those of nasal dilator 200 depicted in Figures 2A to 2D and accordingly those similar components and elements are denoted by like numerals.
  • the nasal dilators 400, 500 and 600 each comprise an adjustment mechanism 402 to allow for adjustment of the loop structure 104, for example, to thereby adjust a size and/or shape of the aperture 114.
  • the adjustment mechanism 402 may enable selective adjustment of the loop structure 104, allowing the loop structure 104 to be selectively dilated or expanded and contracted.
  • the adjustment mechanism 402 may comprise a mating or interlocking mechanism whereby application of sufficient force to the adjustment mechanism 402 may be effective to overcome a restriction or friction force provided by the structure of the mechanism 402.
  • the material of the body of the dilator 400, 500 or 600 is selected to be sufficiently elastically deflectable to allow manual adjustment.
  • the adjustment mechanism 402 comprises a pin 404 and a socket 406 that is arranged to receive and engage with the pin 404.
  • the pin 404 may comprise serrations or protrusions 408 and the socket 406 may comprise complementary grooves or ridges 410 for adjustable engagement with the serrations or protrusions 408.
  • the pin 404 and socket 406 extend from the inner surface 106 of the loop structure 104 toward each other.
  • the pin 404 and socket 406 may be configured to engage with one another to thereby allow the adjustment mechanism to span the aperture 114 defined by the loop structure 104.
  • the pin 404 may be fully or substantially fully inserted into the socket 406 to enable the loop structure 104 to adopt or assume a fully contracted or substantially fully contracted state.
  • the pin 404 may be partially inserted into the socket 406 to enable the loop structure 104 to adopt or assume only a partially contracted state or more dilated state, to provide for greater dilation of the loop structure 104 and to accommodate variations in nasal passage sizes.
  • nasal dilator 500 may comprise similar components and elements to those of nasal dilator 200 as depicted in Figures 2A to 2D and accordingly those similar components and elements are denoted by like numerals.
  • the adjustment mechanism 402 comprises a pin 502 and a socket 504 arranged to receive and engage the pin 502.
  • the pin 502 may comprise serrations or protrusions 506 and the socket 504 may comprise grooves or ridges 508 for adjustable engagement with protrusions 506.
  • a first portion 510 or length of the loop structure 104 may comprise the pin 502 and a second portion 512 or length of the loop structure 104 may comprise the socket 504 configured to receive the pin 502.
  • the protrusions 506 may be disposed on the outer surface 108 of the loop structure 104.
  • the pin 502 and socket 504 may be configured to engage with one another to thereby loosen and/or tighten the loop structure 104, thereby enabling the loop structure 104 to be selectively dilated or expanded and contracted.
  • the pin 502 may be fully or substantially fully inserted into the socket 504 to enable the loop structure 104 to adopt or assume a fully contracted or substantially fully contracted state.
  • the pin 502 may be partially inserted into the socket 504 to enable the loop structure 104 to adopt or assume only a partially contracted state or more dilated state, to provide for greater dilation of the loop structure 104 and to accommodate variations in nasal passage sizes.
  • the adjustment mechanism 402 comprises a belt 602 and a sleeve 604 that is arranged to receive and engage the belt 602.
  • the loop structure 104 comprises the belt 602, which extends from a first end 606 of the loop structure 104 to the sleeve 604 at a second end 608 of the loop structure 104 to thereby define the aperture 114.
  • the sleeve 604 may extend into and be defined by the second end 608 of the loop structure 104.
  • the belt 602 may comprise serrations or protrusions (not shown) and the sleeve 604 may comprise grooves or ridges (not shown) for adjustable engagement with protrusions.
  • the belt 602 may be fully or substantially fully inserted into the sleeve 604 to enable the loop structure 104 to adopt or assume a fully contracted or substantially fully contracted state and decreasing the size of the aperture 114.
  • the belt 410 also may be partially inserted into the sleeve 604 to enable the loop structure 104 to adopt or assume only a partially contracted state or more dilated state, to provide for greater dilation of the loop structure 104 and to accommodate variations in nasal passage sizes.
  • the adjustment mechanism 402 allows the size of the aperture 114 of the loop structure 104 of the nasal dilator 400, 500 and 600 to be adjusted by the user, for example, to provide for a more suitably and comfortable fit prior to insertion.
  • the adjustment mechanism 402 may be configured to self-adjust during insertion and positioning by the user. For example, with reference to Figure 5 , upon insertion of nasal dilator 500, the loop structure 104 may constrict in size in response to exertion of a force on the adjustment mechanism 402 by the nasal passage 306.
  • nasal dilator 700 may comprise similar components and elements to those of nasal dilator 200 as depicted in Figures 2A to 2D and accordingly those similar components and elements are denoted by like numerals.
  • the nasal dilator 700 comprises a platform 702 spanning the aperture 114 defined by the inner surface 106 of the loop structure 104.
  • the platform 702 may comprise a mesh.
  • the platform 702 may be releaseably coupled or attached to the inner surface 106 of the nasal dilator 700, for example by a snap fit or interference fit.
  • platform 702 may comprise a filter 704.
  • the filter 704 may be composed of a fine woven mesh or an open celled porous material, such as a foam or compressed fibre.
  • the filter 704 may be employed to filter out airborne particles such as bacteria, dust, pollens, and/or other allergens.
  • the filter 704 may be replaceable and may be arranged to be removeably connected, or "snap-fit" to the inner surface 106 of the loop structure 104.
  • the filter 704 may be integrally formed with, or may be welded or ultrasonically welded to the loop structure 104.
  • FIG. 8 there is illustrated a nasal dilator, generally indicated at 800, according to some embodiments.
  • the nasal dilator 800 comprises a valve mechanism 802 to allow for control of flow of fluid, such as air, through the aperture 114 defined by the inner surface 106 of the loop structure 104.
  • the valve mechanism 802 comprises a seal 804 supported by the platform 702 and which may span the aperture 114 of the loop structure 104.
  • the seal 804 may form a seal with the inner surface 106 of the loop structure 104.
  • the seal comprises a flap 806 configured to transition between an open state, whereby fluid, such as air, may be conveyed through the platform 702 and a closed state, whereby fluid, such as air, may be hindered or substantially blocked from being conveyed through the platform 702 by the flap 806.
  • an orifice 808 may be disposed in the seal 804.
  • the seal 804, the flap 806 and the platform 702 may be configured to act as a one-way valve, for example, to allow fluid flow, for example, airflow, through the valve mechanism 802 substantially in a single direction only.
  • the valve mechanism 802 is configured to create a controllable and adjustable positive expiratory air pressure (PEAP) within the nasal cavity.
  • PEAP controllable and adjustable positive expiratory air pressure
  • the nasal dilator 900 may comprise similar components and elements to those of nasal dilator 200 as depicted in Figures 2A to 2D and dilator device 700 as depicted in Figure 7 and accordingly those similar components and elements are denoted by like numerals.
  • the nasal dilator 900 comprises a valve mechanism 902 to allow for control of fluid flow, for example, airflow, through the aperture 114, as defined by the inner surface 106 of the loop structure 104.
  • the valve mechanism 902 of nasal dilator 900 comprises a ball valve 904 and a seal 906 arranged upon the platform 702.
  • the ball valve may be configured to transition between an open state, whereby fluid, such as air, may be conveyed through the platform, and a closed state, whereby fluid, such as air, may be hindered or substantially blocked from being conveyed through the platform by the ball valve.
  • the seal 906 may be supported by the platform 702 and may span the aperture 114 of the loop structure 104. The seal 906 may form a seal with the inner surface 106 of the loop structure 104.
  • an orifice 808 may be disposed in the seal 906.
  • the ball valve 904, the seal 906 and the platform 702 may be configured to perform as a one-way valve, for example, to allow fluid flow, for example, airflow, through the valve mechanism 902 substantially in a single direction only.
  • the valve mechanism 902 may create a controllable and adjustable PEAP within the nasal cavity of the nose 304.
  • the nasal dilators 700, 800 allow inhalation and exhalation through the nose 304 of the user to be at least somewhat controlled, as well as providing nasal dilation.
  • the nasal dilators 700, 800 may be employed for treating snoring and obstructive sleep apnea (OSA).
  • OSA is caused by collapse of the nasal passage airway during sleep, which may result in periods of airflow restriction and/or cessation and may contribute to snoring.
  • the nasal dilators 700, 800 make use of the user's own breathing to create positive nasal airway pressure to prevent or mitigate this obstructed breathing by reducing a capacity of the user to exhale through their nose and thereby increasing pressure within the nasal passages.
  • the nasal dilators 700, 800 allow a user to intake or inhale though the nose 304 while hindering a volume of air exhaled through the nose 304, thereby controlling or at least substantially influencing PEAP.
  • nasal dilator 1000 may comprise similar components and elements to those of nasal dilator device 200 as depicted in Figures 2A to 2D and accordingly those similar components and elements are denoted by like numerals.
  • the nasal dilator 1000 comprises an outer layer 1002 disposed along the outer surface 108 of the loop structure 104.
  • the outer layer 1002 may extend along at least a section of a length of (and optionally all the way around) the outer surface 108 of the loop structure 104.
  • the outer layer 1002 may be arranged to follow a contour of the nasal cavity of the user and form a seal with the nasal passage wall 302 to substantially seal or block fluid flow, for example, airflow, between the outer surface 108 of the loop structure 104 of the body 102 and the nasal passage 306 of the nose 304 of the user.
  • the outer layer 1002 may comprise a deformable material, such as a memory foam or an over mould.
  • the over mould may be infused with a medicament and/or a fragrance.
  • the outer layer 1002 may be formed of a soft elastomeric material, for example.
  • a thickness of the outer layer 1002 may be selected to accommodate a distance between the outer surface 108 of the loop structure 104 and the nasal passage 306 of a user.
  • FIG. 11 there is illustrated a partial cut away view of a nasal dilator, generally indicated at 1100, according to some embodiments.
  • the nasal dilator 1100 may comprise similar components and elements to those of nasal dilator device 200 as depicted in Figures 2A to 2D and accordingly those similar components and elements are denoted by like numerals.
  • the nasal dilator 1100 comprises an outer layer 1102 disposed along the outer surface 108 of the loop structure 104.
  • the outer layer 1102 comprises a protruding double flange portion 1104 extending along at least a section of a length of (and optionally all the way around) the outer surface 108 of the loop structure 104.
  • the outer layer 1102 comprises a deformable material, such as a memory foam or an over mould. The over mould may be infused with a medicament and/or a fragrance.
  • the outer layer 1102 may be formed of a soft elastomeric material, for example.
  • nasal dilator 1200 may comprise similar components and elements to those of nasal dilator device 200 as depicted in Figures 2A to 2D and accordingly those similar components and elements are denoted by like numerals.
  • the nasal dilator 1200 comprises an outer layer 1202 disposed along the outer surface 108 of the loop structure 104.
  • the outer layer 1202 comprises a deformable tube 1204 extending along at least a section of a length of (and optionally all the way around) the outer surface 108 of the loop structure 104.
  • the outer layer 1202 may be formed of a soft elastomeric material, for example.
  • the outer layer 1202 may be arranged to follow a contour of the nasal passage 306 of the user and form a seal with the nasal passage wall 302 to substantially seal fluid flow, for example, airflow, between the outer surface 108 of the loop structure 104 of the body 102 and the nasal passage 306 of the user.
  • the tube 1204 may be inflatable.
  • the nasal dilator 1300 may comprise similar components and elements to those of nasal dilator device 100 as depicted in Figure 1 and accordingly those similar components and elements are denoted by like numerals.
  • the nasal dilator 1300 comprises a tether 1302 to allow for extraction and/or adjustment of the nasal dilator 1300 once it is inserted in a user's nose 304.
  • the tether 1302 may comprise a thin plastic or wire filament and may be connected to the body 102 at a position on an outer or front side or edge of the loop structure 104, for example.
  • the nasal dilator device 1400 comprises a first nasal dilator 1402 and a second nasal dilator 1404.
  • the nasal dilators 1402 and 1404 may comprise similar components and elements to those of nasal dilator device 200 as depicted in Figures 2A to 2D and accordingly those similar components and elements are denoted by like numerals.
  • the nasal dilator device 1400 comprises a coupling, such as a substantially U-shaped clip or bridge 1406, to connect or couple the leg member 218 of the first nasal dilator 1402 to the leg member 218 of the second nasal dilator 1404.
  • the coupling comprises a tether (not shown) to connect the leg member 218 of the first nasal dilator 1402 to the leg member 218 of the second nasal dilator 1404.
  • the nasal dilator 1500 may comprise similar components and elements to those of nasal dilator 200 as depicted in Figures 2A to 2D and accordingly those similar components and elements are denoted by like numerals.
  • the arm member 116 of the nasal dilator 1500 is moveably coupled to the loop structure 104.
  • the arm member 116 may be rotatably coupled or hingedly coupled to the loop structure 104 to change its angle of projection relative to the plane of the loop structure 104.
  • the arm member 116 may comprise a ball and socket joint 1502 to couple the arm member 116 to the loop structure 104.
  • the ball and socket joint 1502 may allow for selective positioning of the arm member 116.
  • the coupling of the ball and socket joint 1502 may be substantially stiff to enable the arm member 116 stay in position once positioned by the user.
  • the arm member 116 of the nasal dilator 1500 comprises a nostril engaging element 1504 having an outwardly facing engagement surface to engage with the nasal passage wall 302 of the nose 304.
  • the nostril engaging element 1504 may comprise a relatively large proportion of the surface area of the arm member 116.
  • the nostril engaging element 1504 is provided with a series of protrusions 1506 on the outwardly facing engagement surface.
  • the protrusions 1506 may be composed of a relatively soft over mould material, for example a polymer material such as thermoplastic elastomer (TPE) and/or may be provided as fins or fin-like structures to provide a comfortable and/or grippable surface for engaging with the nasal passage walls 302 of the nose 304.
  • TPE thermoplastic elastomer
  • the nostril engaging element 1504 may be substantially oval, rectangular, triangular or truncated triangular in shape.
  • the protrusions 1506 may form a u-shaped pattern, a v-shaped pattern, or elongated v or ⁇ ( tick ) shaped pattern, such as a chevron design, comprising a plurality of aligned u-shaped, v-shaped or elongated v or ⁇ (tick) shaped protrusions 1506.
  • the position of the arm member 116 may be adjusted by the user prior to insertion. In some embodiments, the arm member 116 may be configured to self-adjust during insertion and positioning by the user.
  • the nasal dilator 1600 may comprise similar components and elements to those of nasal dilator 200 as depicted in Figures 2A to 2D and accordingly those similar components and elements are denoted by like numerals.
  • the loop structure 104 of nasal dilator 1600 comprises a chamber 1602 arranged to receive a compound, such as a fragrance/aromatic agent or a medicament.
  • the chamber may be positioned in a portion of the loop structure 104 adjacent where the leg member 218 extends from the body 102 or at another suitable location, such as on the arm member 116, for example.
  • the chamber 1602 may be positioned to open outwardly from the outer surface 108 or inwardly from the inner surface 106.
  • the chamber 1602 may be covered or coverable by a removable seal 1604. For example, the seal 1604 may be removed by the user just prior to insertion of the device into the nostril of the user.
  • the agent may be an aromatic scent, such as an essential oil blend or synthetic fragrance blend to provide an olfactory and/or physiological response such as decongesting the nasal passage 306, promoting relaxation, promoting sleepiness, suppressing appetite, or a medicament, such as a drug to reduce pain such as a migraine.
  • the nasal dilator device 1700 comprises a first nasal dilator 1702 coupled to a second nasal dilator 1704.
  • the first nasal dilator 1702 may be coupled to a second nasal dilator 1704 by a U-shaped bridge or clip 1706, as depicted in Figures 17A and 17B .
  • the first and second nasal dilators 1702, 1704 may comprise similar components and elements to those of nasal dilator 800 as depicted in Figure 8 and accordingly those similar components and elements are denoted by like numerals.
  • each of the first and second nasal dilators 1702, 1704 comprise a platform 702 and valve mechanism 802 as shown and described in relation to Figure 8 .
  • the nasal dilator 1700 comprises a collar or shroud 1708 extending from the second side 112 of the loop structure 104 and forming a seal with the loop structure 104, for example, the inner surface 106 of the loop structure 104.
  • the collar or shroud 1708 acts as an extension to separate the valve mechanism 802 of the nasal dilator 1700 from the dilation function of the loop structure 104.
  • the collar or shroud may have a narrowing or tapering section to transition between the second side 112 of the loop structure 104, which may have a larger aperture, and the valve mechanism 802, which may have a smaller size and define a smaller air flow aperture than the loop structure 104.
  • the collar or shroud 1708 may be integrally formed with, or connected to, the valve mechanism 802 and the collar or shroud 1708 may be removably coupled to the second side 112.
  • Figure 17A shows the valve mechanism 802 of the nasal dilator 1700 in a substantially closed state, in which air is free to flow only through the aperture 808 (as it air flow is blocked or obscured by the closed flap 806)
  • Figure 17B shows the valve mechanism 802 of the nasal dilator 1700 in a substantially open state, in which air is free to flow through the filter 704 (as it is not blocked or obscured by the open flap 806) and through the aperture 808.
  • the flap 806 can readily deflect from a position in which it covers an aperture over the filter 704 and blocks air flow therethrough, to a position in which it swings open while remaining attached to the platform 702 and thus allows air to pass through the aperture over the filter.
  • the flap 806 transitions between the open and closed states depending on whether the user is inhaling (open) or exhaling (closed).
  • FIG 18A and 18B illustrate a nasal dilator device, generally indicated at 1800, according to some embodiments.
  • the nasal dilator device 1800 comprises two dilators joined by a clip or bridge 1706.
  • the first and second nasal dilators may comprise similar components and elements to those of nasal dilator 800 as depicted in Figure 8 and accordingly those similar components and elements are denoted by like numerals.
  • Each of the nasal dilators has a platform 702, optionally with a filter 704, which is substantially covered by a flap 806 that acts as a one-way valve.
  • the cover portion 804 that comprises the flap 806 also defines an aperture 808 to allow passage of a small amount of air.
  • the flaps 806 of the two dilators 800 in device 1800 operate in the same way as is described above in relation to Figures 17A and 17B .
  • Device 1800 is similar to device 1700 except that no shroud or collar is employed to separate the dilation function provided by the loop structure 104 from the valve mechanism 802.
  • the nasal dilator 100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1600, 1700 or 1800 may comprise at least one coating or film (not shown) from which a fragrance, aroma or medicament may be released.
  • the film may be arranged to release a fragrance, aroma or medicament in response to abrasion, such as scratching or scraping.
  • the film may be provided with an outer cover, seal or strip to protect the film from unintended abrasion.

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  • Orthopedics, Nursing, And Contraception (AREA)

Claims (15)

  1. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) comprenant un corps destiné à être inséré dans une cavité nasale d'un nez, le corps comportant :
    une structure en boucle (104) ayant une surface intérieure, une surface extérieure inverse, un premier côté et un second côté opposé au premier côté, dans lequel la surface intérieure définit une ouverture et la surface extérieure inverse est configurée pour pousser contre une paroi de passage nasal du nez ;
    un élément de bras (116) ayant une première extrémité couplée à la structure en boucle (104) et une extrémité libre, l'élément de bras (116) s'étendant vers l'extérieur depuis la structure en boucle (104) et configuré pour s'étendre le long d'un passage nasal de la cavité nasale et pour venir en prise avec une surface interne d'une narine du nez ;
    une plate-forme (702) couvrant l'ouverture définie par la surface intérieure de la structure en boucle (104) ; et
    un mécanisme de soupape (802, 902) destiné à commander l'écoulement de fluide à travers l'ouverture.
  2. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon la revendication 1, comprenant en outre un élément de jambe (218) s'étendant vers l'extérieur depuis la structure en boucle (104) et configuré pour faire saillie depuis la cavité nasale de l'utilisateur.
  3. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon la revendication 2, dans lequel l'élément de bras (116) s'étend depuis le premier côté de la structure en boucle (104) et l'élément de jambe (218) s'étend depuis le second côté de la structure en boucle (104).
  4. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon l'une quelconque des revendications 1 à 3, dans lequel la plate-forme (702) est couplée de manière libérale à la surface intérieure de la structure en boucle (104).
  5. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon l'une quelconque des revendications 1 à 4, dans lequel la plate-forme (702) comprend un filtre (704).
  6. Dilatateur nasal selon l'une quelconque des revendications 1 à 5, dans lequel le mécanisme de soupape (802, 902) comprend un joint d'étanchéité supporté par la plate-forme (702) et configuré pour couvrir l'ouverture définie par la surface intérieure de la structure en boucle (104).
  7. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon la revendication 6, dans lequel le joint d'étanchéité comporte un rabat configuré pour passer d'un état ouvert, par lequel le fluide peut être transporté à travers la plate-forme (702), et à un état fermé, par lequel le fluide peut être empêché d'être transporté à travers la plate-forme (702) par le rabat et dans lequel un orifice est disposé dans le joint d'étanchéité.
  8. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon l'une quelconque des revendications 7, dans lequel le mécanisme de soupape (802, 902) comprend un collier s'étendant depuis le second côté de la structure en boucle (104) et formant un joint d'étanchéité avec la structure en boucle (104).
  9. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon l'une quelconque des revendications précédentes, dans lequel l'élément de bras (116) comprend un élément de prise de narine à l'extrémité libre pour venir en prise avec la surface interne de la narine et dans lequel l'élément de prise de narine comprend une série de saillies disposées sur l'élément de prise de narine.
  10. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon l'une quelconque des revendications précédentes, dans lequel la structure en boucle (104) comprend une chambre agencée pour recevoir au moins l'un d'un composé et d'un médicament.
  11. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon l'une quelconque des revendications précédentes, dans lequel la structure en boucle (104) comprend une couche extérieure disposée le long d'au moins une partie de la surface extérieure de la structure en boucle (104).
  12. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon la revendication 11, dans lequel la couche extérieure est un matériau déformable comprenant au moins un élément parmi une mousse à mémoire, un surmoulage et un tube gonflable.
  13. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon la revendication 11 ou 12, dans lequel la couche extérieure est infusée avec au moins l'un d'un composé, d'un médicament, d'un parfum et d'un agent aromatique.
  14. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon l'une quelconque des revendications précédentes, dans lequel un film comportant un composé est disposé sur la structure en boucle (104) et est pourvu d'un joint d'étanchéité amovible pour atténuer la libération du composé à partir du film.
  15. Dilatateur nasal (100, 200, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900) selon l'une quelconque des revendications précédentes, dans lequel un revêtement est disposé sur la structure en boucle (104) et est agencé pour libérer une senteur en réponse à l'abrasion du revêtement.
EP15893549.4A 2015-06-05 2015-06-05 Dilatateurs nasaux Active EP3302376B1 (fr)

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AU (1) AU2015397594B2 (fr)
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AU2015397594A1 (en) 2017-12-21
HK1245068A1 (zh) 2018-08-24
EA034930B1 (ru) 2020-04-08
EA201792458A1 (ru) 2018-05-31
JP2018523502A (ja) 2018-08-23
BR112017025880A2 (pt) 2018-08-14
ZA201708687B (en) 2018-11-28
US20180168846A1 (en) 2018-06-21
CA2986934A1 (fr) 2016-12-08
US11090181B2 (en) 2021-08-17
NZ737761A (en) 2020-07-31
AU2015397594B2 (en) 2021-01-28
EP3302376A4 (fr) 2019-01-09
JP6714021B2 (ja) 2020-06-24
KR20180016419A (ko) 2018-02-14
WO2016191791A1 (fr) 2016-12-08
CN107735058B (zh) 2021-04-06
CN107735058A (zh) 2018-02-23
EP3302376A1 (fr) 2018-04-11
CA2986934C (fr) 2020-03-24

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